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Oswestry Chess Club
[Event "Oswestry B v Darwinian Kts B"] [Site "Oswestry"] [Date "2024.10.17"] [Round "Brd 4"] [White "Cosens, Paul"] [Black "Pileggi, Cesar"] [Result "1-0"] [ECO "B45"] [BlackElo "1451"] [Annotator "Rudy van Kemenade"] [PlyCount "73"] [EventDate "2024.10.18"] [SourceVersionDate "2024.09.14"] 1. e4 e6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 {from a French it has become a Sicilian Four Knights} 6. Bg5 (6. Ndb5 d6 (6... Bb4)) (6. Nxc6 bxc6 7. e5 {main lines}) 6... Be7 7. Bc4 (7. Qd2) (7. Nxc6 {main lines}) 7... Nxe4 (7... O-O) (7... a6) 8. Nxe4 (8. Nxc6 Nxc3 {Cloud Engines, not yet played} (8... bxc6 9. Bxe7 Qxe7 10. Nxe4 d5 $14 {0-2}) 9. Qg4 h5 10. Bxe7 hxg4 11. Nxd8 Kxe7 12. Nxf7 Kxf7 13. bxc3 $11) 8... d5 (8... Bxg5 9. Nd6+ (9. Nxg5 Qxg5 10. g3 O-O 11. Nf3 Qf5 12. Qe2 Qa5+ 13. Nd2 d5 $19 {Lambert-Michalko, EU ch U10, Mureck 2005,0-1}) 9... Kf8 10. Ne2 Be7 $19 {Kristinsson-Erlbeck, Reykjavik op 2024,0-1}) 9. Nxc6 (9. Bxe7 $1 Qxe7 (9... Kxe7 10. Nxc6+ bxc6 11. Qd2 $18) 10. Bb5 O-O 11. Nc3 $18 {SF17- difficult to calculate with all the pieces flying about}) 9... bxc6 10. Bxe7 Qxe7 11. O-O (11. Qe2 O-O 12. O-O Bb7 $11 {SF17}) 11... dxc4 $2 (11... O-O $11) 12. Qd4 (12. Nd6+ Kf8 13. Re1 f6 14. Re4 h5 15. Rxc4 $18 {SF17}) 12... O-O 13. Qxc4 Bb7 {Wh now gets a superior game because there is a powerful N vs a bad B} (13... Rb8 14. b3 Rb5 15. Rad1 (15. Qxc6 Rd5 {Bl gets counterplay with the B active}) 15... Rd5 16. Nc3 Rg5 $14 {SF17}) 14. Nc5 (14. Qc5 Qxc5 15. Nxc5 Bc8 {SF17, is even stronger. Qs are srtong attackers, but also very good defenders as they can cover dseveral weak points. So their elimination makes it harder to defend. Here ethe removal of the Q would make it easier for Wh to come in on either d8 or d7 with a R( if the B stays on b7 with Rab8}) 14... Rab8 15. b4 Rfd8 16. Rad1 Ba8 17. c3 (17. Qa6 h6 18. Rxd8+ Rxd8 19. a4 $18 {SF17}) 17... Rd5 18. a4 Rbd8 19. Rc1 (19. Qe2 $16) 19... a5 (19... Bb7 20. Rce1 Bc8 21. f4 Qf6 $14 {SF17}) 20. Rfe1 (20. Qa6 $16 {SF17}) 20... Qf6 21. h3 Rd2 $2 (21... h6 22. Qg4 Qe7 23. Re3 Bb7 24. Rg3 g6 25. Re1 Bc8 26. Qf4 Kg7 27. Rge3 $16 {SF17}) 22. Ne4 $18 Qf5 23. Nxd2 Rxd2 24. Qc5 Rd5 25. Qa7 Rd8 26. Rcd1 Rf8 27. Qc5 (27. Qxa5) 27... Qg6 28. Rd7 (28. bxa5) 28... axb4 29. cxb4 Qf6 30. Red1 g6 31. Qe7 Qe5 32. Rd8 Rxd8 33. Rxd8+ Kg7 34. Qf8+ Kf6 35. Qh8+ Kf5 36. g4+ Kf4 (36... Ke4 37. f3+) 37. Rd4+ 1-0
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Annotated by